<div class="row scroll">
  <div class="box">
    <x-affix top="0">
      <x-button>Scroll down, I'm going to fix it to the top</x-button>
    </x-affix>
    <x-affix [style.margin-left.rem]="1" top="5rem">
      <x-button>Scroll down, I'm 5rem away from the top</x-button>
    </x-affix>
  </div>
</div>
